Add session target in data provider

src/confdb/confdb.h

@@ -114,6 +114,7 @@
 #define CONFDB_DOMAIN_CHPASS_PROVIDER "chpass_provider"
 #define CONFDB_DOMAIN_SUDO_PROVIDER "sudo_provider"
 #define CONFDB_DOMAIN_AUTOFS_PROVIDER "autofs_provider"
+#define CONFDB_DOMAIN_SESSION_PROVIDER "session_provider"
 #define CONFDB_DOMAIN_COMMAND "command"
 #define CONFDB_DOMAIN_TIMEOUT "timeout"
 #define CONFDB_DOMAIN_ATTR "cn"

src/config/SSSDConfig.py

@@ -87,6 +87,7 @@ class ProviderSubtypeInUse(SSSDConfigException): pass
     'chpass_provider' : _('Password change provider'),
     'sudo_provider' : _('SUDO provider'),
     'autofs_provider' : _('Autofs provider'),
+    'session_provider' : _('Session-loading provider'),
 
     # [domain]
     'min_id' : _('Minimum user ID'),

src/config/SSSDConfigTest.py

@@ -496,7 +496,8 @@ def testListOptions(self):
             'access_provider',
             'chpass_provider',
             'sudo_provider',
-            'autofs_provider' ]
+            'autofs_provider',
+            'session_provider']
 
         self.assertTrue(type(options) == dict,
                         "Options should be a dictionary")
@@ -821,7 +822,8 @@ def testRemoveProvider(self):
             'access_provider',
             'chpass_provider',
             'sudo_provider',
-            'autofs_provider']
+            'autofs_provider',
+            'session_provider']
 
         self.assertTrue(type(options) == dict,
                         "Options should be a dictionary")

src/config/etc/sssd.api.conf

@@ -60,6 +60,7 @@ access_provider = str, None, false
 chpass_provider = str, None, false
 sudo_provider = str, None, false
 autofs_provider = str, None, false
+session_provider = str, None, false
 
 [domain]
 # Options available to all domains

src/providers/data_provider_be.c

@@ -109,6 +109,7 @@ static struct bet_data bet_data[] = {
     {BET_CHPASS, CONFDB_DOMAIN_CHPASS_PROVIDER, "sssm_%s_chpass_init"},
     {BET_SUDO, CONFDB_DOMAIN_SUDO_PROVIDER, "sssm_%s_sudo_init"},
     {BET_AUTOFS, CONFDB_DOMAIN_SUDO_PROVIDER, "sssm_%s_autofs_init"},
+    {BET_SESSION, CONFDB_DOMAIN_SESSION_PROVIDER, "sssm_%s_session_init"},
     {BET_MAX, NULL, NULL}
 };
 
@@ -577,8 +578,10 @@ static int be_pam_handler(DBusMessage *message, struct sbus_connection *conn)
         case SSS_PAM_CHAUTHTOK_PRELIM:
             target = BET_CHPASS;
             break;
-        case SSS_PAM_SETCRED:
         case SSS_PAM_OPEN_SESSION:
+            target = BET_SESSION;
+            break;
+        case SSS_PAM_SETCRED:
         case SSS_PAM_CLOSE_SESSION:
             pd->pam_status = PAM_SUCCESS;
             goto done;
@@ -1697,6 +1700,21 @@ int be_process_init(TALLOC_CTX *mem_ctx,
                "from provider [%s].\n", ctx->bet_info[BET_AUTOFS].mod_name));
     }
 
+    ret = load_backend_module(ctx, BET_SESSION,
+                              &ctx->bet_info[BET_SESSION],
+                              ctx->bet_info[BET_ID].mod_name);
+    if (ret != EOK) {
+        if (ret != ENOENT) {
+            DEBUG(SSSDBG_FATAL_FAILURE, ("fatal error initializing data providers\n"));
+            return ret;
+        }
+        DEBUG(SSSDBG_CRIT_FAILURE, ("No Session module provided for [%s] !!\n",
+                  be_domain));
+    } else {
+        DEBUG(SSSDBG_TRACE_ALL, ("Session backend target successfully loaded "
+                  "from provider [%s].\n", ctx->bet_info[BET_SUDO].mod_name));
+    }
+
     /* Handle SIGUSR1 to force offline behavior */
     BlockSignals(false, SIGUSR1);
     tes = tevent_add_signal(ctx->ev, ctx, SIGUSR1, 0,

src/providers/dp_backend.h

@@ -51,6 +51,7 @@ enum bet_type {
     BET_CHPASS,
     BET_SUDO,
     BET_AUTOFS,
+    BET_SESSION,
     BET_MAX
 };